1. black cohosh North American bugbane found from Maine and Ontario to Wisconsin and south to Georgia
  2. blue cohosh tall herb of eastern North America and Asia having blue berrylike fruit and a thick knotty rootstock formerly used medicinally
  3. black catechu extract of the heartwood of Acacia catechu used for dyeing and tanning and preserving fishnets and sails; formerly used medicinally
  4. black economy a hidden sector of the economy where private cash transactions go unreported
  5. black comedy comedy that uses black humor
  6. Black English a nonstandard form of American English characteristically spoken by African Americans in the United States
  7. black-coated coated with black
  8. black cock male black grouse
  9. blackcock male black grouse
  10. blackfish small dark-colored whale of the Atlantic coast of the United States; the largest male acts as pilot or leader for the school
  11. blackwash a wash that colors a surface black
  12. black ash vigorous spreading North American tree having dark brown heavy wood; leaves turn gold in autumn
  13. blackish of something that is somewhat black
  14. blackjack oak a common scrubby deciduous tree of central and southeastern United States having dark bark and broad three-lobed (club-shaped) leaves; tends to form dense thickets
  15. black grouse grouse of which the male is bluish-black
  16. black cherry large North American wild cherry with round black sour edible fruit
  17. black birch common birch of the eastern United States having spicy brown bark yielding a volatile oil and hard dark wood used for furniture
  18. black calla ornamental plant of Middle East cultivated for its dark purple spathe
  19. black larch medium-sized larch of Canada and northern United States including Alaska having a broad conic crown and rust-brown scaly bark
  20. black cat large dark brown North American arboreal carnivorous mammal

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